/// @file
/// @author David Pilger <dpilger26@gmail.com>
/// [GitHub Repository](https://github.com/dpilger26/NumCpp)
///
/// License
/// Copyright 2018-2023 David Pilger
///
/// Permission is hereby granted, free of charge, to any person obtaining a copy of this
/// software and associated documentation files(the "Software"), to deal in the Software
/// without restriction, including without limitation the rights to use, copy, modify,
/// merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
/// permit persons to whom the Software is furnished to do so, subject to the following
/// conditions :
///
/// The above copyright notice and this permission notice shall be included in all copies
/// or substantial portions of the Software.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
/// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
/// PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
/// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
/// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
/// DEALINGS IN THE SOFTWARE.
///
/// Description
/// Raises the input value to an integer power
///
#pragma once

#include <complex>

#include "NumCpp/Core/Internal/StaticAsserts.hpp"
#include "NumCpp/Core/Types.hpp"

namespace nc::utils
{
    //============================================================================
    /// Raises the input value to an integer power
    ///
    /// @param inValue
    /// @param inPower
    ///
    /// @return inValue raised to inPower
    ///
    template<typename dtype>
    dtype power(dtype inValue, uint8 inPower) noexcept
    {
        STATIC_ASSERT_ARITHMETIC_OR_COMPLEX(dtype);

        if (inPower == 0)
        {
            return static_cast<dtype>(1);
        }

        dtype returnVal = inValue;
        for (uint8 exponent = 1; exponent < inPower; ++exponent)
        {
            returnVal *= inValue;
        }
        return returnVal;
    }
} // namespace nc::utils
